"Mon, 13 Jan 2025 15:27:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250113
Only TIME
15:27:16
General datetime
2025-01-13 15:27:16Z
For Database
2025-01-13 15:27:16
For HTTP1.1
Mon, 13 Jan 2025 15:27:16 GMT